update – Victim killed by cops in San Francisco identified as Pralith Pralourng

“After the assault, police said, Pralourng ran out of the factory and south on Embarcadero as the bleeding victim and officers pursued him. He ended up at the intersection of Washington and Davis streets in the nearby Financial District. Officers told him to drop the box cutter, but he lunged at an officer with the blade, prompting her to shoot him twice in the chest, police said.